动力卡盘梳齿软爪：夹持直径可通过梳齿调整，随机配车（或配磨）后，可获得理想的夹持精度。

Jaws of power chucks are soft top jaws and of serration structure。

The clamping range can be adjusted by serrated reversible top jaws。Its clamping accuracy can be increased by remachining the clamping arch surface of the jaws according to the workpieces to be held。